DIFF Subgroup Additional Only
Y10S 165/059 Tubesheet connected to enclosure by expansion joint
Full Title
Heat exchange > having expansion and contraction relieving or absorbing means > for cylindrical heat exchanger > Flexible or movable header or header element > Movable tubesheet, e.g. floating tubesheet > Tubesheet connected to enclosure by expansion joint
Top Applicants
Top Applicants (CPC)
Class Y10,2013–2023, worldwide · Source: EPO PATSTAT
- BOEING COMPANY US 2,373
- FORD GLOBAL TECHNOLOGIES US 2,244
- HYUNDAI MOTOR COMPANY KR 2,186
- TOYOTA MOTOR CORPORATION JP 1,997
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
- GE (GENERAL ELECTRIC COMPANY) US 1,794
- SAMSUNG ELECTRONICS COMPANY KR 1,705
- CORNING US 1,569
- TOYOTA MOTOR CORPORATION 1,403
- LG CHEM KR 1,364